200824940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 429105600

約数和(自身を除く): 228280660

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 257, 356, 439, 445, 514, 878, 890, 1028, 1285, 1756, 1780, 2195, 2570, 4390, 5140, 8780, 22873, 39071, 45746, 78142, 91492, 112823, 114365, 156284, 195355, 225646, 228730, 390710, 451292, 457460, 564115, 781420, 1128230, 2256460, 10041247, 20082494, 40164988, 50206235, 100412470, 200824940]

約数ペア:

[(1, 200824940), (2, 100412470), (4, 50206235), (5, 40164988), (10, 20082494), (20, 10041247), (89, 2256460), (178, 1128230), (257, 781420), (356, 564115), (439, 457460), (445, 451292), (514, 390710), (878, 228730), (890, 225646), (1028, 195355), (1285, 156284), (1756, 114365), (1780, 112823), (2195, 91492), (2570, 78142), (4390, 45746), (5140, 39071), (8780, 22873)]